Home / 66,430,743.28-91,674,482.80-37,062,080.40

Finding the Fourth Proportional to 66,430,743.28, 91,674,482.80 and 37,062,080.40

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Solution

The fourth proportional to 66,430,743.28, 91,674,482.80 and 37,062,080.40 is: 51,145,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,743.28 : 91,674,482.80 = 37,062,080.40 : x
  2. Step 2: Convert to fraction form
    66,430,743.28/91,674,482.80 = 37,062,080.40/x
  3. Step 3: Cross multiply
    66,430,743.28x = 91,674,482.80 × 37,062,080.40
  4. Step 4: Simplify right side
    66,430,743.28x = 3,397,647,052,162,017
  5. Step 5: Solve for x
    x = 3,397,647,052,162,017/66,430,743.28
  6. Step 6: Final answer
    x = 51,145,702.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.